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- ABB
- DI840
- Digital Input Module
- Switzerland
- 45 x 102 x 119 mm
- 0.15kg
- 3BSE020836R1
- Xiamen, China
- New & In Stock
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ABB DI840 (3BSE020836R1) Digital Input Module
Product Description
The ABB DI840 (3BSE020836R1) is a 16-channel 24 V DC digital input module designed for both single and redundant applications. It operates within an input voltage range of 18 to 30 V DC and features current sinking inputs. Each input channel is equipped with current limiting components, EMC protection, input state indication LEDs, and optical isolation barriers. The module supports Sequence of Events (SOE) functionality with a resolution of 1 ms, making it suitable for applications requiring precise event recording.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | DI840 (3BSE020836R1) |
| Module Type | Digital Input Module |
| Number of Input Channels | 16 |
| Input Voltage Range | 18 to 30 V DC |
| Input Signal Type | Digital (Current Sinking) |
| Input Impedance | 3.3 kΩ |
| Isolation | Optical per channel |
| Rated Insulation Voltage | 50 V |
| Dielectric Test Voltage | 500 V AC |
| Response Time | ≤ 10 ms |
| Event Recording Resolution | 1 ms |
| Power Dissipation | 2.7 W |
| Dimensions (WxHxD) | 45 × 102 × 119 mm |
| Weight | 0.15 kg |
| Operating Temperature | –25 °C to +60 °C |
| Mounting | DIN rail |
| Communication Interface | S800 I/O System |
| Series | S800 I/O |
| Brand | ABB |
Product Applications
The DI840 module is suitable for a wide range of industrial automation applications, including:
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Process Automation: Monitoring digital signals from field devices in chemical, oil & gas, and water treatment plants.
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Manufacturing Automation: Collecting status signals from machinery and equipment in assembly lines.
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Power Generation: Supervising digital inputs in power plants for control and safety systems.
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Infrastructure Systems: Integrating with building management systems for monitoring and control.
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Safety Systems: Implementing in safety-related applications requiring precise event detection and logging.
Product Advantages
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High Reliability: Optical isolation and EMC protection ensure robust performance in harsh industrial environments.
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Precise Event Recording: SOE functionality with 1 ms resolution allows for accurate event logging.
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Flexible Configuration: Supports both single and redundant applications, enhancing system reliability.
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Compact Design: Slim profile and lightweight facilitate easy installation in space-constrained cabinets.
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Seamless Integration: Compatible with ABB’s S800 I/O system, allowing for straightforward system expansion.
Recommended S800 I/O Series or Related Models
| Model Number | Description | Number of Inputs | Dimensions (mm) | Weight | Notes |
|---|---|---|---|---|---|
| DI810 (3BSE008508R1) | Digital Input Module | 8 channels | 45 × 102 × 119 | 0.15 kg | Standard input module |
| DI820 (3BSE008512R1) | Digital Input Module | 16 channels | 45 × 102 × 119 | 0.15 kg | Similar to DI840 without SOE |
| DI830 (3BSE013210R1) | Digital Input Module | 24 channels | 45 × 102 × 119 | 0.22 kg | Higher channel count |
| DI831 (3BSE013212R1) | Digital Input Module | 32 channels | 45 × 102 × 119 | 0.22 kg | Highest channel count |
| DI825 (3BSE036373R1) | Digital Input Terminal Unit | 32 channels | 45 × 102 × 119 | 0.14 kg | Terminal unit with diagnostics |
Recommended Popular ABB Models
| Model Number | Description | Key Parameters | Weight |
|---|---|---|---|
| AI810 (3BSE008516R1) | Analog Input Module | 8 channels, 4–20 mA | 0.20 kg |
| AO810 (3BSE008522R1) | Analog Output Module | 8 channels, 0–10 V | 0.22 kg |
| DO810 (3BSE008510R1) | Digital Output Module | 16 channels, relay outputs | 0.20 kg |
| DO820 (3BSE008514R1) | Digital Output Module | 16 channels, transistor outputs | 0.20 kg |
| PM864 (3BSE018161R1) | AC 800M Controller | High-performance CPU | 0.60 kg |
Frequently Asked Questions (FAQ)
Q1: What is the input voltage range of the DI840 module?
A1: The input voltage range is 18 to 30 V DC.
Q2: How many input channels does the DI840 support?
A2: It supports 16 digital input channels.
Q3: Does the DI840 support Sequence of Events (SOE) functionality?
A3: Yes, it supports SOE with a resolution of 1 ms.
Q4: What is the module’s response time?
A4: The response time is ≤ 10 ms.
Q5: What type of isolation is used in the DI840?
A5: Each channel uses optical isolation for signal integrity.
Q6: Can the DI840 be used in redundant configurations?
A6: Yes, it is designed for both single and redundant applications.
Q7: What is the power dissipation of the module?
A7: The typical power dissipation is 2.7 W.
Q8: What are the dimensions and weight of the DI840?
A8: Dimensions are 45 × 102 × 119 mm, and it weighs 0.15 kg.
Q9: What is the operating temperature range?
A9: The module operates between –25 °C and +60 °C.
Q10: Is the DI840 compatible with ABB’s S800 I/O system?
A10: Yes, it is part of the S800 I/O series and integrates seamlessly.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.